3D Solder Paste Inspection
Machine

3D-SPI

Saki’s high-speed, high-precision 3D-SPI machines specialize in the inspection of SMT process solder printing. 3D-SPI machines inspect and analyze a wide range of potential problem points, including the measurement of solder paste area, height, and volume; as well as bridge, solder horn, and BGA coplanarity compliance.

The quality of the entire production line is ensured through machine-2-machine co-ordination with solder printing and pick-and-place machines.

01

High-Speed Inspection

  • The industry’s fastest inspection of micro component pads
  • Unique high-speed image data processing technology

Hardware designed for high-speed and high-accuracy inspection

The design employs an ultra-rigid gantry and biaxial drive with an ultra-high-definition linear scale, enabling high-speed movement of the optical head with incredible stopping position accuracy.

Faster data processing thanks to Saki’s unique dedicated software

All imaging and processing software is developed by Saki in-house, improving hardware optimization and inspection algorithms – leading to faster, superior data processing.

02

High Accuracy Inspection

  • Innovative hardware structure
  • Comprehensive self-diagnostics
  • High-accuracy, high-quality and versatile solder print inspection

Robust hardware structure that guarantees an extended lifetime of continued high-quality inspection

With its ultra-rigid gantry, biaxial drive, and ultra-high-definition linear scale, the 3D-SPI has high repeatability and contributes to maintaining the stability and quality of inspection result data. Stable inspection is guaranteed thanks to the strong, durable frame that provides reliability for 15 years and beyond.

Self-diagnostic system

The self-diagnostics monitor equipment status in real time. Hardware checks during startup and prior to inspection greatly reduce the risk of sudden failures, and combined with consumable monitoring, allows maintenance to be efficiently scheduled with minimal downtime.

Time-Based Maintenance

Condition-Based Maintenance

Solder print inspection algorithms

IPC-compliant inspection quality
Positional deviation of pad size is inspected based on the IPC-7527 quality standard for measurement allowances.

IPC-7527 Quality Standard Inspection

Printing Deviation Standard
Paste solder protruding from the pad Class 1,2,3: less than 25%

Actual Image

Coplanarity inspection
High I/O count device inspections benefit from improved coplanarity, with solder range analysis for height, volume and area that helps prevent post-reflow wetting.

SPC functions for visualization of solder quality

Solder quality is managed and maintained through comprehensive monitoring of board solder amounts and defect trend analysis. Extensive reporting functions and data analysis tools allow for export of defect type rankings and yield charts.

Defect Analysis

Yield Chart

03

Saki’s M2M Solution

  • Feed-back from SPI to screen printer
  • Feed-forward from SPI to pick-and-place machine

Feed-back from SPI to screen printer

The accuracy of solder printing is improved thanks to feeding back solder printing position misalignment data from the SPI to the solder printing machine. Additionally, metal mask cleaning instructions are automatically communicated to prevent solder printing defects.

Correction of the Print Position

Automatic Cleaning Instructions

Feed-forward from SPI to pick-and-place machine

Component mounting position is corrected by sharing information on solder printing position misalignment with the pick-and-place machine. Additional data on failed sub-boards is also communicated to avoid mounting components in these instances.

NG Board Skip

Saki’s Total Lineup Solution

Saki’s 3D-AOI uses a common platform with 3D-SPI and 3D-CT-AXI. The process is consistent throughout – from post-printing solder inspection using SPI, through to the inspection of mounted components.

Specification

DimensionsMLXL
Model3Si-MS23Si-LS23Si-ZS2
Size
(W)×(D)×(H)mm (in.)
850 × 1430 × 1500
(33.46 x 56.30 x 59.06)
1040 × 1440 × 1500
(40.94 x 56.69 x 59.06)
1340 × 1440 × 1500
(52.75 x 56.69 x 59.06)
Resolution12μm、18μm18μm
PCB ClearanceTop: 40mm(1.57 in.) Bottom: 60mm(2.36 in.) *1
Electric Power RequirementSingle-phase ~ 200-240V +/-10%, 50/60Hz
PCB Size
(W)×(L)mm (in.)
50 x 60 – 330 x 330
(1.97 x 2.36 – 12.99 x 12.99)*2
50 x 60 – 500 x 510
(1.97 x 2.36 – 19.68 x 20.07)*3
50 x 60 – 686 x 870
(1.97 x 2.36 – 27.00 x 34.25)
Inspection Itemthe measurement of solder paste area, height, and volume, bridge, solder horn, and BGA coplanarity compliance.
DimensionsM
Model3Si-MS2
Size
(W)×(D)×(H)mm (in.) (in.)
850×1430×1500
(33.46 x 56.30 x 59.06)
Resolution12μm、18μm
PCB
Clearance
Top: 40mm(1.57 in.)
Bottom: 60mm(2.36 in.) *1
Electric
Power Requirement
Single-phase ~ 200-240V +/-10%, 50/60Hz
PCB Size
(W)×(L)mm
50 x 60 – 330 x 330
(1.97 x 2.36 – 12.99 x 12.99)*2
Inspection Itemthe measurement of solder paste area, height, and volume, bridge, solder horn, and BGA coplanarity compliance.
DimensionsL
Model3Si-LS2
Size
(W)×(D)×(H)mm (in.) (in.)
1040×1440×1500
(40.94 x 56.69 x 59.06)
Resolution12μm、18μm
PCB
Clearance
Top: 40mm(1.57 in.)
Bottom: 60mm(2.36 in.) *1
Electric
Power Requirement
Single-phase ~ 200-240V +/-10%, 50/60Hz
PCB Size
(W)×(L)mm
50×60〜500×510
(1.97 x 2.36 – 19.68 x 20.07)*3
Inspection Itemthe measurement of solder paste area, height, and volume, bridge, solder horn, and BGA coplanarity compliance.
DimensionsXL
Model3Si-ZS2
Size
(W)×(D)×(H)mm (in.) (in.)
1340×1440×1500
(52.75 x 56.69 x 59.06)
Resolution18μm
PCB
Clearance
Top: 40mm(1.57 in.)
Bottom: 60mm(2.36 in.) *1
Electric
Power Requirement
Single-phase ~ 200-240V +/-10%, 50/60Hz
PCB Size
(W)×(L)mm
50×60〜686×870
 (1.97 x 2.36 – 27.00 x 34.25)
Inspection Itemthe measurement of solder paste area, height, and volume, bridge, solder horn, and BGA coplanarity compliance.

*1 For dual mode, the PCB Clearance Bottom is 50mm (1.96 in.),
*2 For dual mode, the PCB Size is 50×60〜320×330 (1.97 x 2.36 – 12.60 x 12.99)
*3 For dual mode, the PCB Size is 50×60〜320×510 (1.97 x 2.36 – 12.60 x 20.07)

Use Case

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